Woodworking – Process – Timber harvesting or processing
Patent
1987-05-15
1988-11-15
Bray, W. Donald
Woodworking
Process
Timber harvesting or processing
144208E, B27L 700
Patent
active
047841966
ABSTRACT:
A method and apparatus for debarking logs of the type having long-fibre bark. In a first debarking operation, rotary cutterheads remove a portion of the mark so as to leave a bark
o-bark, barber-pole pattern on a log's surface. In a second, downstream debarking operation, scrapers on a rotating ring remove the remaining bark.
REFERENCES:
patent: 1887908 (1932-11-01), Tidblad
patent: 2109414 (1938-02-01), Deiters et al.
patent: 3221785 (1965-12-01), Valo
patent: 3361168 (1968-01-01), Brown
Bray W. Donald
Brunette Machine Works Ltd.
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